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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1804 | 1 |
| 1831 | 1 |
| 1848 | 1 |
| 1850 | 1 |
| 1851 | 1 |
| 1859 | 1 |
| 1860 | 1 |
| 1861 | 1 |
| 1881 | 1 |
| 1883 | 2 |
| 1885 | 2 |
| 1886 | 1 |
| 1888 | 1 |
| 1899 | 1 |
| 1901 | 1 |
| 1910 | 1 |
| 1914 | 1 |
| 1916 | 2 |
| 1928 | 1 |
| 1939 | 2 |
| 1941 | 2 |
| 1946 | 1 |
| 1947 | 1 |
| 1948 | 2 |
| 1949 | 1 |
| 1950 | 3 |
| 1951 | 1 |
| 1952 | 6 |
| 1953 | 2 |
| 1954 | 3 |
| 1955 | 1 |
| 1956 | 2 |
| 1957 | 1 |
| 1958 | 1 |
| 1959 | 1 |
| 1960 | 3 |
| 1961 | 1 |
| 1962 | 1 |
| 1963 | 2 |
| 1964 | 4 |
| 1965 | 1 |
| 1966 | 2 |
| 1968 | 2 |
| 1969 | 4 |
| 1970 | 4 |
| 1971 | 5 |
| 1972 | 2 |
| 1973 | 3 |
| 1974 | 2 |
| 1975 | 5 |
| 1976 | 5 |
| 1977 | 3 |
| 1978 | 7 |
| 1979 | 16 |
| 1980 | 8 |
| 1981 | 6 |
| 1982 | 15 |
| 1983 | 21 |
| 1984 | 17 |
| 1985 | 24 |
| 1986 | 17 |
| 1987 | 24 |
| 1988 | 30 |
| 1989 | 21 |
| 1990 | 26 |
| 1991 | 30 |
| 1992 | 41 |
| 1993 | 26 |
| 1994 | 30 |
| 1995 | 64 |
| 1996 | 71 |
| 1997 | 60 |
| 1998 | 64 |
| 1999 | 74 |
| 2000 | 54 |
| 2001 | 66 |
| 2002 | 75 |
| 2003 | 69 |
| 2004 | 76 |
| 2005 | 81 |
| 2006 | 70 |
| 2007 | 94 |
| 2008 | 86 |
| 2009 | 79 |
| 2010 | 85 |
| 2011 | 101 |
| 2012 | 96 |
| 2013 | 113 |
| 2014 | 135 |
| 2015 | 113 |
| 2016 | 124 |
| 2017 | 124 |
| 2018 | 142 |
| 2019 | 129 |
| 2020 | 155 |
| 2021 | 184 |
| 2022 | 180 |
| 2023 | 149 |
| 2024 | 159 |
| 2025 | 134 |